{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "cell type", "RNA", "DNA"], "input": "Treatment of chronically HIV-infected PBMC with anti-CD2 mAb has been shown to induce the expression of infectious virus from these cultures."}
{"cell line": ["chronically HIV-infected PBMC"], "protein": ["anti-CD2 mAb"], "cell type": [], "RNA": [], "DNA": []}